SMBJ33A

Overview of SMBJ33A

SMBJ33A is a Surface Mount Uni-Directional TVS Diode optimized for excellent clamping capability, low incremental surge resistance, and fast response time. It provides excellent performance for protecting I/O interfaces, VCC bus, and other vulnerable circuits used in Telecom, Computer, Industrial, and Consumer electronic applications.

Pinout

The SMBJ33A pinout refers to the configuration and function of each pin in its DO-214AA package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the SMBJ33A has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• Excellent Clamping Capability: The SMBJ33A provides excellent clamping capability, making it ideal for protecting sensitive circuits from voltage spikes and surges.
• Low Incremental Surge Resistance: This feature ensures that the device can handle high-energy pulses without compromising its performance.
• Fast Response Time: The SMBJ33A has a fast response time, typically less than 1.0ps from 0V to BV min, making it suitable for applications requiring quick reaction times.
• 600W Peak Pulse Power Capability: This device can handle high-power pulses up to 600W at 10×1000μs waveform, repetition rate (duty cycles):0.01%.
• Built-in Strain Relief: The SMBJ33A features built-in strain relief, which helps prevent damage caused by mechanical stress and vibrations.

Applications

• ESD Protection of Data Lines: The SMBJ33A is ideal for ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2) and IEC 61000-4-4 (IEC801-4).
• EFT Protection of Data Lines: This device provides EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4).
• Protection of I/O Interfaces and VCC Bus: The SMBJ33A is suitable for protecting I/O interfaces, VCC bus, and other vulnerable circuits used in Telecom, Computer, Industrial, and Consumer electronic applications.

Equivalents

For similar functionalities, consider these alternatives to the SMBJ33A:

• SMBJ30A: This device provides similar ESD and EFT protection capabilities as the SMBJ33A but with a lower voltage rating.
• SMBJ40A: The SMBJ40A offers higher voltage and power handling capabilities than the SMBJ33A, making it suitable for more demanding applications.
• TVS Diodes from Other Manufacturers: Other manufacturers may offer similar TVS diode products with varying features and specifications.